Vulnerability · Published May 13, 2026 · Assigned by Wordfence
CVE-2026-4609ProfileGrid <= 5.9.8.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Group Joining
High 7.1
In plain English
A high-severity missing authorization in ProfileGrid – User Profiles, Groups and Communities from metagauss. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Official description
The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the pm_invite_user function in all versions up to, and including, 5.9.8.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add themselves or any registered user to any ProfileGrid group, including closed and paid groups, bypassing all authorization and payment gates.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| metagauss | ProfileGrid – User Profiles, Groups and Communities | 0 – through 5.9.8.4 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c3678b4d-0cd0-4873-8cf3-90c557931f4c?source=cve
- https://plugins.trac.wordpress.org/browser/profilegrid-user-profiles-groups-and-communities/trunk/public/class-profile-magic-public.php#L3280
- https://plugins.trac.wordpress.org/browser/profilegrid-user-profiles-groups-and-communities/trunk/public/class-profile-magic-public.php#L3319
- https://plugins.trac.wordpress.org/changeset/3491679/